PlainPatent

CPC technology class · B25

B25B - Tools Or Bench Devices

Tools or bench devices not otherwise provided for, for fastening, connecting, disengaging or holding. 6,226 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

6,226
US patents granted
#2/7
in B25
17.2%
B25 class share
+31%
5-yr velocity

The verdict

According to USPTO PatentsView, Tools Or Bench Devices ranks #230 of 670 CPC technology areas - 6,226 US patents granted since 2015, with recorded grant volume up 31% over five years.

#230
of 670 CPC technology areas
6,226
US patents granted, 2015–2025
Milwaukee Electric Tool
leading assignee (293)
+31%
grant velocity, last 5 yrs

How B25B's grant cadence moved

Between 2020–2024, B25B recorded 3,151 grants versus 2,411 in 2015–2019 (+31% equal-window velocity). Across complete years, output peaked in 2022 at 686 grants and bottomed in 2018 at 447 (+53% peak-over-trough). Lead assignee Milwaukee Electric Tool Corporation holds 4.7% of the class ; the top three share 9.1%.

Leaderboard read

B25B concentration, lead at 4.7%

Milwaukee Electric Tool Corporation leads this historical grant record at 4.7% of B25B - us corporation assignees hold 52% of class grants (1,818 of 3,494). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
4.7%

293 of 6,226 grants

Top three share
9.1%

of the class's recorded grants

Lead over #2
140

more grants than Makita Corporation

Where B25B sits inside B25

Among 7 subclasses in B25 (Hand TOOLS; Portable Power-driven TOOLS; Manipulators), B25B ranks #2 and holds 17.2% of the parent class's 36,206 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

B25J 21,590 B25F 3,594 B25H 1,500 B25D 1,146 B25C 1,109 B25G 1,041

Rising assignees active in B25B

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

  1. #1 NEW Revo Brand Group, LLC 15x 1 → 15 company-wide · 6 in B25B
  2. #2 Wezag GmbH & Co. KG 12x 0 → 12 company-wide · 11 in B25B
  3. #3 Shifukang Industrial Co., Ltd. 9.00x 1 → 9 company-wide · 5 in B25B
  4. #4 Magswitch Technology, Inc. 8.50x 2 → 17 company-wide · 8 in B25B
  5. #5 Zhuji Itop Hardware Tools Co., Ltd. 8.00x 1 → 8 company-wide · 7 in B25B

B25B grants by year, peak 2022 (686)

US utility-patent grants per year in B25B, 2015–2025 - recent five years are up 31% versus 2015–2019.

400500600700 20152016201720182019202020212022202320242025 465

Who leads B25B?

The 12 most active assignees in Tools OR Bench Devices NOT Otherwise Provided FOR, FOR Fastening, Connecting, Disengaging OR Holding - wider bars mean more grants

patents

What this shows Milwaukee Electric… is the most active filer in B25B, holding 293 of the 6,226 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass B25B
Rank Company Patents in B25B
#1 Milwaukee Electric Tool Corporation 293
#2 Makita Corporation 153
#3 Snap-on Incorporated 120
#4 Black & Decker Inc. 119
#5 Kabo Tool Company 87
#6 Atlas Copco Industrial Technique AB 83
#7 Apex Brands, Inc. 59
#8 ECA Medical Instruments 49
#9 Hangzhou Great Star Industrial Co., Ltd. 40
#10 Max Co., Ltd. 39
#11 Hilti Aktiengesellschaft 36
#12 Temper Axle Products Corporation 36
#13 Hubbell Incorporated 35
#14 DePuy Synthes Products, Inc. 34
#15 Ingersoll-Rand Industrial U.S., Inc. 34
#16 Ingersoll-Rand Company 33
#17 Hong ANN Tool Industries Co., Ltd. 33
#18 Nanjing Chervon Industry Co., Ltd. 31
#19 SMC Corporation 30
#20 Hangzhou Great Star Tools Co., Ltd. 29

Footprint here vs. claim strategy

Each dot is a leading B25B assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 B25B assignees by class footprint. Bubble size = patents in B25B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 681012141618 0100200300400 Patents in B25B Avg claims / patent (company-wide) Milwaukee Electric…MakitaSnap-on IncorporatedBlack & DeckerKabo ToolAtlas Copco Industrial…Apex BrandsEca Medical Instrument…Hangzhou Great Star…MaxHilti Aktiengesellscha…Temper Axle ProductsHubbell IncorporatedDepuy Synthes Products
Top 14 B25B assignees by class footprint. Bubble size = patents in B25B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near B25B's 6,226-grant footprint

Nationwide nearest neighbors for B25B (#230 of 670 by volume ; lead share 4.7%) - not the B25 parent-class siblings above.

Nearest by grant volume

E04H 6,263 A01G 6,293 G02C 6,144 G16B 6,310

Nearest by lead-assignee share

B41M 4.7% B66F 4.7% B44C 4.7% F17D 4.7%

Questions about B25B

Which company holds the most patents in B25B?
Milwaukee Electric Tool Corporation leads B25B with 293 patents (4.7% of the subclass). By PatentsView assignee type, us corporations account for 52% of class grants.
Which B25B assignees grew fastest recently?
Among assignees with ≥5 grants in B25B, NEW Revo Brand Group, LLC shows the highest company-wide grant multiple (15x: 1 grants in 2019–2021 → 15 in 2022–2024) while holding 6 patents in this subclass. Growth is company-wide, not class-only.
How does B25B compare inside parent class B25?
Inside B25 (Hand TOOLS; Portable Power-driven TOOLS; Manipulators), B25B ranks #2 of 7 subclasses by grant volume and holds 17.2% of the parent class total. The largest sibling is B25J (21,590 grants).

What to do with this data

B25B in context - here's where to go next.

  • Milwaukee Electric Tool Corporation leads B25B with 293 grants in this class. See full portfolio
  • B25B ranks #230 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class B25, the largest sibling subclass is B25J with 21,590 grants. Explore B25J

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - B25B figures are USPTO PatentsView granted-utility totals for this subclass (6,226 grants in the tracked window).

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.